Unlock 'Y' the Alien
Unlockable How to Unlock 'Y' the Alien Collect all 20 alien icons in each level
Contributed By: YOUR BASE.
Complete each achievement to get the allotted gamerscore.
Achievement Description Alien Contact (20) Collect all 100 'Alien' icons in single player to unlock a secret craft. Charge-Up Pro (20) Fire 100 Charge-Up Attacks. Charge-Up Trainee (5) Fire 10 Charge-Up Attacks. Grease Monkey (10) Collect enough Salvage Points to fully upgrade one vehicle. King O' Online (20) Win 10 online multiplayer battles. Learner's Permit (5) Defeat any vehicle in any mode. Quest: High Octane (30) Complete single player Quest Mode on Hard mode. Quest: Super Unleaded (20) Complete single player Quest Mode on Medium mode. Quest: Unleaded (10) Complete single player Quest Mode on Easy mode. Top Mechanic (30) Collect enough Salvage Points to fully upgrade all eight vehicles. Total Pro (20) Destroy 100 cars by 'totaling' them. Whammy Master (10) Achieve 100 Whammies.
Contributed By: Guard Master.
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